What’s Vulnerable › Vulnerabilities

CVE-2026-73231: Faker: helpers.fake exploitable into arbritary code execution

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-11 · updated 2026-10-24
• Weakness: CWE-95

Description

Faker generates massive amounts of fake data in the browser and Node.js. Prior to 10.5.0, the faker.helpers.fake method in src/modules/helpers/eval.ts allows attacker-controlled fake templates to access the Function constructor through fakeEval.resolveProperty when a function returns another function, enabling arbitrary JavaScript code execution. This issue is fixed in version 10.5.0.

Affected products

• faker-js faker: before 10.5.0

References

• https://github.com/faker-js/faker/commit/54586208f904012f57c50b46cc1ad32bcbe4bfb7
• https://github.com/faker-js/faker/pull/3852
• https://github.com/faker-js/faker/releases/tag/v10.5.0
• https://github.com/faker-js/faker/security/advisories/GHSA-qxc2-j82w-r537
• https://github.com/faker-js/faker/security/advisories/GHSA-qxc2-j82w-r537

Get alerted when CVE-2026-73231 or the next vulnerability affects your stack